401213122115 has 16 divisors (see below), whose sum is σ = 532504072128. Its totient is φ = 288272877696.

The previous prime is 401213122097. The next prime is 401213122199. The reversal of 401213122115 is 511221312104.

It is a cyclic number.

It is not a de Polignac number, because 401213122115 - 2¹⁰ = 401213121091 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83409887 + ... + 83414696.

It is an arithmetic number, because the mean of its divisors is an integer number (33281504508).

Almost surely, 2^401213122115 is an apocalyptic number.

401213122115 is a deficient number, since it is larger than the sum of its proper divisors (131290950013).

401213122115 is a wasteful number, since it uses less digits than its factorization.

401213122115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166824638.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 401213122115 its reverse (511221312104), we get a palindrome (912434434219).

The spelling of 401213122115 in words is "four hundred one billion, two hundred thirteen million, one hundred twenty-two thousand, one hundred fifteen".